Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
350 AM CST Wed Dec 10 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-111000-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
350 AM CST Wed Dec 10 2025 /450 AM EST Wed Dec 10 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Snow Risk.
Limited Non-Thunderstorm Wind Risk
DISCUSSION...
Wind-whipped snow may lead to hazardous travel this morning with
northwest winds gusting up to 40 mph.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday night and early Friday morning...
Elevated Snow Risk.
Saturday...
Limited Snow Risk.
Saturday morning through Monday morning...
Limited to Elevated Excessive Cold Risk.
DISCUSSION...
Accumulating snow is expected in portions of the area Thursday
night into early Friday morning and again Saturday into Saturday
night.
Bitterly cold wind chills as low as 25 below zero are possible
Saturday night into Sunday morning.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
350 AM CST Wed Dec 10 2025
LMZ740>745-111000-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
350 AM CST Wed Dec 10 2025
This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Gale force winds and very hazardous waves.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday...
Hazardous conditions for small craft are likely.
Friday night...
Hazardous conditions for small craft are likely.
Elevated Freezing Spray Risk.
Saturday through Monday...
Hazardous conditions for small craft are likely at times.
$$
Petr
Visit us at www.weather.gov/chicago
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
412 AM CST Wed Dec 10 2025
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-111015-
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
412 AM CST Wed Dec 10 2025
This Hazardous Weather Outlook is for the open waters of Lake Michigan.
.DAY ONE...Today and Tonight
Gale force winds and high waves are expected across the southern
two-thirds of Lake Michigan today, with gradually easing winds
this evening and overnight.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday
Additional gales may occur at times late Friday into the weekend.
Freezing will likely develop with these late week and weekend
winds, as a colder airmass settles into the region.
$$
www.weather.gov/mkx
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
412 AM CST Wed Dec 10 2025
LMZ643>646-111015-
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
412 AM CST Wed Dec 10 2025
This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.
.DAY ONE...Today and Tonight
Gale force winds and high waves are expected through the morning
hours today, with Small Craft Advisory conditions then lingering
into the evening.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday
Additional rounds of gusty winds and high waves are expected
again late week into the weekend.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
412 AM CST Wed Dec 10 2025
WIZ046-047-051-052-056>060-062>072-111015-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
412 AM CST Wed Dec 10 2025
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...Today and Tonight
Another round of accumulating snowfall is expected this morning,
with generally up to an inch possible. Some freezing drizzle will
be possible as the snow is moving in. Northerly winds gusting to
35 mph are expected as a cold front drops through. The morning
commute will likely be impacted by the lingering wintry weather. A
Winter Weather Advisory remains in effect for much of the
forecast area until 9 am.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday
Additional rounds of snowfall are possible through the end of the
week, but confidence in timing is on the lower end.
An arctic airmass is expected this upcoming weekend, with wind
chills as cold as -15 to -30 for the overnight and early morning
hours.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Lincoln IL
404 AM CST Wed Dec 10 2025
ILZ027>031-036>038-041>046-053>057-063-111015-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Mason-
Logan-De Witt-Piatt-Champaign-Vermilion-Macon-Moultrie-Douglas-Coles-
Edgar-Clark-
404 AM CST Wed Dec 10 2025
This Hazardous Weather Outlook is for central Illinois, east
central Illinois and west central Illinois.
.DAY ONE...Today and tonight.
West to Northwest wind gusts to 50 mph are expected through around
midday today, resulting in difficult travel conditions for high
profile vehicles. Brief, localized visibility reductions are possible
(20-40% chance) in a band of scattered snow showers this morning.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Accumulating snow is forecast Thursday evening into Friday morning.
There is a 50 to 80 percent chance for more than 2 inches of snow
near and north of a Macomb to Robinson line.
Another shot of Arctic air will arrive late this week, with wind
chills well below zero Friday, Saturday, and Sunday nights.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated through tonight.
$$
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
328 AM CST Wed Dec 10 2025
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-110930-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
328 AM CST Wed Dec 10 2025
This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.
.DAY ONE...TODAY AND TONIGHT
Scattered snow showers will likely accompany a cold front
through daybreak. The combination of light snowfall and strong,
gusty winds potentially up to 55 mph may result in brief,
significant visibility reductions.
A Wind Advisory has been issued for areas along and south of
Highway 30 through 9 AM. A Winter Weather Advisory, north of
Highway 30, will continue through 9 AM this morning due to the
threat for light snow accumulations under one inch and
blowing/drifting snow is possible, especially in open and rural
areas.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
There is a chance for accumulating snow Thursday night and again
Saturday. There is potential for a few inches of new snow with
each round.
Windy conditions are expected Friday into Friday night as arctic
cold moves into the Midwest. Wind chills will approach and may
exceed 20 below zero across portions of the area Friday night and
especially Saturday night.
.SPOTTER INFORMATION STATEMENT...
Spotter reports of snowfall over one inch are appreciated.
$$
Hazardous Weather Outlook
National Weather Service Northern Indiana
420 AM EST Wed Dec 10 2025
INZ005>009-012>015-017-018-020-022>027-032>034-103-104-116-203-204-
216-MIZ078>081-177-277-OHZ001-002-004-005-015-016-024-025-110930-
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-Northern La Porte-
Eastern St. Joseph IN-Northern Kosciusko-Southern La Porte-
Western St. Joseph IN-Southern Kosciusko-Cass MI-St. Joseph MI-
Branch-Hillsdale-Northern Berrien-Southern Berrien-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
420 AM EST Wed Dec 10 2025 /320 AM CST Wed Dec 10 2025/
This Hazardous Weather Outlook is for northern Indiana, southwest
Michigan and northwest Ohio.
.DAY ONE...Today and tonight.
An inch or two of lake effect snow is possible over portions of
northern Indiana and southwest Michigan late this afternoon through
tonight.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
One to three inches of snow is possible Thursday night for areas
south of highway 30.
Wind chill temperatures may drop below -10 Sunday morning.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Northern Indiana
420 AM EST Wed Dec 10 2025
LMZ043-046-110930-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
420 AM EST Wed Dec 10 2025
...GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING...
This Hazardous Weather Outlook is for the nearshore waters of
southeastern Lake Michigan.
.DAY ONE...Today and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Gale Warning.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Conditions hazardous to small craft are likely over the weekend.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
342 AM EST Wed Dec 10 2025
LMZ844>849-110845-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
342 AM EST Wed Dec 10 2025
This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.
.DAY ONE...Today and Tonight
Northwest gales develop for this morning and afternoon.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday
Conditions will remain hazardous to small craft through Thursday
and Friday night through the weekend.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
342 AM EST Wed Dec 10 2025
MIZ037>040-043>046-050>052-056>059-064>067-071>074-110845-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
342 AM EST Wed Dec 10 2025
This hazardous weather outlook is for portions of southwest Lower
Michigan.
.DAY ONE...Today and Tonight
Wintry weather has cause slick conditions this morning with an
additional burst of snow expected mid morning to afternoon.
Temperatures will fall into tonight with any wet untreated
surfaces freezing over.
Additional lake effect showers are expected along the lakeshore
late this afternoon through tonight.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday
Additional periods of light snow are likely through the weekend
and could cause impacts to travel. Wind chills on Saturday and
Sunday could approach 10 below zero.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Indianapolis IN
340 AM EST Wed Dec 10 2025
INZ021-028>031-035>049-051>057-060>065-067>072-110845-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-Johnson-Shelby-
Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-Daviess-
Martin-Lawrence-Jackson-Jennings-
340 AM EST Wed Dec 10 2025
This hazardous weather outlook is for central Indiana.
.DAY ONE...Today and Tonight.
Southwesterly winds will gust up to 40 mph this morning through the
early afternoon.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Accumulating snow is likely Thursday evening through Friday morning.
Additional snowfall is possible on Saturday.
Some of the coldest conditions of the season expected this weekend
with low temperatures approaching zero degrees or lower and wind
chill values potentially down to -15 degrees.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated.
&&
More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind
$$